Lead an acute threat to California condor population, study says
Monday, June 25, 2012 - 20:20
in Biology & Nature
Researchers provide evidence that the main source of the toxic metal is bullets from hunters that are left behind in animal carcasses, which the huge birds eat.Field biologist Joe Burnett was standing at the base of a tree in Big Sur when the giant, limp body of a California condor landed at his feet.